diff --git a/COMPAT.md b/COMPAT.md
index 8b2bd63a4..f15970326 100644
--- a/COMPAT.md
+++ b/COMPAT.md
@@ -56,7 +56,7 @@ Turso aims to be fully compatible with SQLite, with opt-in features not supporte
 | ATTACH DATABASE           | Partial | Only for reads. All modifications will currently fail to find the table           |
 | BEGIN TRANSACTION         | Partial | Transaction names are not supported.                                              |
 | COMMIT TRANSACTION        | Partial | Transaction names are not supported.                                              |
-| CREATE INDEX              | Partial | Disabled by default.                                                              |
+| CREATE INDEX              | Partial | Only for columns (not arbitrary expressions)                                      |
 | CREATE TABLE              | Partial |                                                                                   |
 | CREATE TABLE ... STRICT   | Yes     |                                                                                   |
 | CREATE TRIGGER            | No      |                                                                                   |